Welding machine for valve housings

Details Welding machine for valve housings Welding machine for valve housings

1977-02-09

1979-07-10

Goldberg, E. A.

Electric heating

Metal heating

By arc

219 7614, 219158, B23K 904

Patent

active

041608950

ABSTRACT:
The body of a valve is partially rebuilt by using electrical welding device, first support apparatus, second support apparatus and a driving mechanism. The electrical welding device adds material to the inside of the valve body by using an electrode to provide an arc. The first support apparatus is used to detachably support the valve body aligned with a hole. The second support apparatus rotatably supports the electrode of the welding device in a relatively fixed relationship to the valve body and has an elongated tubular member extending through the hole in the first support apparatus. The driving mechanism rotates the tubular member and electrode about the elongated axis of the tubular member.

REFERENCES:
patent: RE21733 (1941-03-01), Armstrong
patent: 1508713 (1924-09-01), Noble
patent: 2352697 (1944-07-01), Dittrich
patent: 2794900 (1957-06-01), Width
patent: 2912562 (1959-11-01), Donovan
patent: 3428777 (1969-02-01), Certain
patent: 3627973 (1971-12-01), Smith
patent: 3769486 (1973-10-01), Braucht
patent: 3841547 (1974-10-01), Bartley

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